function formatNumber(n){
  n = n.toString()
  return n[1] ? n:'0' + n
}

const formatTime = date =>{
  const year = date.getFullYear();
  const month = date.getMonth() +1;
  const day = date.getDate();
  const hour = date.getHours();
  const minute = date.getMinutes();

  return [year, month,day].map(formatNumber).join('-') +' '+[hour,minute].map(formatNumber).join( ':');

}

const formatDate = date => {
  const year = date.getFullYear();
  const month = date.getMonth() +1;
  const day = date.getDate();
  return[year,month,day].map(formatNumber).join( '-');
}

module.exports = {
  formatTime: formatTime,
  formatDate: formatDate
}